kbdmgr.c

量子编程源代码 量子编程源代码

/*****************************************************************************
* Product: QDPP example
* Last Updated for Version: 3.1.06
* Date of the Last Update:  May 06, 2006
*
*                    Q u a n t u m     L e a P s
*                    ---------------------------
*                    innovating embedded systems
*
* Copyright (c) 2002-2006 Quantum Leaps, LLC. All rights reserved.
*
* Internet: www.quantum-leaps.com     Licensing: [e-mail]
*
* This Software is protected by the United States copyright laws and
* international treaties. Distribution of products containing this Software
* or based upon this Software (Derivative Works) requires a valid Quantum
* Leaps Distribution License. Any other distribution, in source or binary
* format is illegal.
*****************************************************************************/
#include "qf_port.h"
#include "qs_port.h"
#include "qdpp.h"
#include "qassert.h"

Q_DEFINE_THIS_FILE

/* local types -------------------------------------------------------------*/
typedef struct KbdMgrTag KbdMgr;
struct KbdMgrTag {                                      /* keyboard manager */
    QActive super_;                                /* inherits from QActive */
};

void KbdMgr_ctor(KbdMgr *me);
static void KbdMgr_initial(KbdMgr *me, QEvent const *e);
static QSTATE KbdMgr_active(KbdMgr *me, QEvent const *e);

/* local objects -----------------------------------------------------------*/
static KbdMgr l_kbdMgr;

/*..........................................................................*/
void kbdMgrStart(uint8_t prio,
                 QEvent const *qSto[], uint32_t qLen,
                 void *stkSto, uint32_t stkSize)
{
    KbdMgr_ctor(&l_kbdMgr);                           /* explicit Ctor call */
    QActive_start((QActive *)&l_kbdMgr, prio,
                  qSto, qLen, stkSto, stkSize,
                  (QEvent *)0);                  /* no initialization event */
}
/*..........................................................................*/
void KbdMgr_ctor(KbdMgr *me) {
    QActive_ctor_(&me->super_, (QState)&KbdMgr_initial);
}
/*..........................................................................*/
void KbdMgr_initial(KbdMgr *me, QEvent const *e) {
    (void)e;                               /* suppress the compiler warning */

    QS_OBJ_DICTIONARY(&l_kbdMgr);

    QS_FUN_DICTIONARY(&KbdMgr_initial);
    QS_FUN_DICTIONARY(&KbdMgr_active);

    QActive_subscribe_((QActive *)me, KBD_SIG);
    Q_INIT(&KbdMgr_active);
}
/*..........................................................................*/
QSTATE KbdMgr_active(KbdMgr *me, QEvent const *e) {
    (void)me;                             /* eliminate the compiler warning */
    switch (e->sig) {
        case KBD_SIG: {
            displayKey(((KbdEvt const *)e)->key);
            if (((KbdEvt const *)e)->key == (uint8_t)0x81) {
                QF_publish(Q_NEW(QEvent, TERMINATE_SIG));
            }
            return 0;
        }
    }
    return (QSTATE)&QHsm_top;
}